<?php

namespace app\api\controller\product;

use app\common\controller\Frontend;
use app\common\service\CompanyPackageService;
use think\facade\Db;

class Purchase extends Frontend
{
    protected array $noNeedPermission = ['createOrder', 'orderDetail'];

    /**
     * 创建购买订单
     */
    public function createOrder(): void
    {

            if (!$this->request->isPost()) {
                $this->error('非法请求');
            }

            $userId = $this->auth->id;
            if (!$userId) {
                $this->error('请先登录');
            }
            // 获取参数
            $packageId = $this->request->post('package_id', 0);
            $quantity = $this->request->post('quantity', 1);
            $distributorId = $this->request->post('distributor_id', 0); // 分销人ID

            if ($packageId <= 0) {
                $this->error('请选择套餐');
            }

            if ($quantity < 1) {
                $this->error('购买数量错误');
            }

            // 查询套餐详情
            $package = Db::table('ba_package_price')
                ->alias('pp')
                ->leftJoin('ba_package p', 'p.id = pp.package_id')
                ->where('pp.id', $packageId)
                ->field('
                    pp.*,
                    p.name as package_name
                ')
                ->find();

            if (!$package) {
                $this->error('套餐不存在');
            }

            // 检查库存
            if ($package['stock'] < $quantity) {
                $this->error('库存不足');
            }

        // 在原有验证后，添加企业套餐验证
        if ($package['type'] == 2) { // 企业套餐
            $companyService = new CompanyPackageService();
            $validationResult = $companyService->validateCompanyPurchase($userId, $packageId, $quantity);

            if (!$validationResult['valid']) {
                $this->error('企业套餐购买验证失败');
            }

            $companyId = $validationResult['company_id'];
        }

            // 查找关联的产品
            $product = Db::table('ba_product')
                ->where('package_id', $package['package_id'])
                ->field('id, name')
                ->find();
            if (!$product) {
                $this->error('关联产品不存在');
            }

            // 计算金额
            $totalAmount = $package['price'] * $quantity;

        // 计算分销佣金
        $commissionService = new \app\common\service\CommissionService();
        $commissionResult = $commissionService->calculateCommission($totalAmount, $distributorId);
        $commissionAmount = $commissionResult['commission_amount'];
        $commissionRate = $commissionResult['commission_rate'];
        $hasCommission = $commissionResult['has_commission'];

            // 生成订单号
            $orderNo = 'BUY' . date('YmdHis') . mt_rand(1000, 9999);
            Db::startTrans();

            try {
                // 1. 创建订单
                $orderData = [
                    'order_no' => $orderNo,
                    'user_id' => $userId,
                    'company_id' => $companyId,
                    'total_amount' => $totalAmount,
                    'discount_amount' => 0.00,
                    'pay_amount' => $totalAmount,
                    'pay_method' => null, // 支付方式待选择
                    'pay_status' => 0, // 0=待支付
                    'order_status' => 0, // 0=待处理
                    'is_commission' => $hasCommission ? 0 : 0, // 0=未处理佣金，1=已处理
                    'distributor_id' => $hasCommission ? $distributorId : null,
                    'commission_amount' => $commissionAmount,
                    'order_time' => date('Y-m-d H:i:s'),
                    'create_time' => date('Y-m-d H:i:s'),
                    'update_time' => date('Y-m-d H:i:s')
                ];
                $orderId = Db::table('ba_order')->insertGetId($orderData);

                // 2. 创建订单商品
                $itemData = [
                    'order_id' => $orderId,
                    'product_id' => $product['id'],
                    'package_id' => $package['package_id'],
                    'package_price_id' => $packageId,
                    'company_id' => $companyId,
                    'item_type' => 2, // 套餐
                    'item_name' => $product['name'] . ' - ' . $package['spec_name'],
                    'spec_name' => $package['spec_name'],
                    'quantity' => $quantity,
                    'unit_price' => $package['price'],
                    'total_price' => $totalAmount,
                    'create_time' => date('Y-m-d H:i:s')
                ];

                Db::table('ba_order_item')->insert($itemData);

                // 3. 如果存在分销，创建分销记录
                if ($hasCommission && $distributorId > 0) {
                    $commissionService->createDistributionRecord([
                        'order_id' => $orderId,
                        'product_id' => $product['id'],
                        'buyer_id' => $userId,
                        'distributor_id' => $distributorId,
                        'commission_rate' => $commissionRate,
                        'commission_amount' => $commissionAmount
                    ]);
                }
                // 如果是企业套餐，处理企业套餐相关逻辑
//                if ($package['type'] == 2) {
//                    // 在企业购买配额表中记录
//                    $companyService->processCompanyPackagePurchase(
//                        $orderId,
//                        $companyId,
//                        $packageId,
//                        $quantity,
//                        $package['card_type'],
//                        $package['unit_value'],
//                        $package['points_value']
//                    );
//
//                    $orderData['company_id'] = $companyId;
//                }

                Db::commit();
            } catch (\Throwable $e) {
                Db::rollback();
                throw $e;
            }

        $this->success('订单创建成功', [
            'order_id' => $orderId,
            'order_no' => $orderNo,
            'product_name' => $product['name'],
            'package_name' => $package['spec_name'],
            'total_amount' => $totalAmount,
            'quantity' => $quantity,
            'has_commission' => $hasCommission,
            'commission_amount' => $commissionAmount
        ]);
    }

    /**
     * 获取订单详情
     */
    public function orderDetail(): void
    {
        try {
            $userId = $this->auth->id;
            $orderId = $this->request->get('order_id', 0);
            $orderNo = $this->request->get('order_no', '');

            if (empty($orderId) && empty($orderNo)) {
                $this->error('参数错误');
            }

            // 查询订单
            if ($orderId) {
                $order = Db::table('ba_order')
                    ->where('id', $orderId)
                    ->where('user_id', $userId)
                    ->find();
            } else {
                $order = Db::table('ba_order')
                    ->where('order_no', $orderNo)
                    ->where('user_id', $userId)
                    ->find();
            }

            if (!$order) {
                $this->error('订单不存在');
            }

            // 查询订单商品
            $orderItem = Db::table('ba_order_item')
                ->where('order_id', $order['id'])
                ->find();

            if ($orderItem) {
                // 查询套餐详情
                $package = Db::table('ba_package_price')
                    ->where('id', $orderItem['package_price_id'])
                    ->find();

                if ($package) {
                    $orderItem['package_info'] = [
                        'name' => $package['spec_name'],
                        'price' => $package['price'],
                        'type' => $package['type'],
                        'type_text' => $package['type'] == 1 ? '个人' : '企业'
                    ];
                }

                // 查询产品信息
                $product = Db::table('ba_product')
                    ->where('id', $orderItem['product_id'])
                    ->field('id, name')
                    ->find();

                if ($product) {
                    $orderItem['product_info'] = $product;
                }

                $order['item'] = $orderItem;
            }

            // 格式化状态
            $order['pay_status_text'] = $this->getPayStatusText($order['pay_status']);
            $order['order_status_text'] = $this->getOrderStatusText($order['order_status']);

            // 格式化时间
            $order['order_time_formatted'] = $order['order_time']
                ? date('m-d H:i', strtotime($order['order_time']))
                : '';
            $order['pay_time_formatted'] = $order['pay_time']
                ? date('m-d H:i', strtotime($order['pay_time']))
                : '';

            $this->success('', $order);

        } catch (\Throwable $e) {
            \think\facade\Log::error('获取订单详情失败: ' . $e->getMessage());
            $this->error('获取订单详情失败');
        }
    }

    /**
     * 获取支付状态文本
     */
    private function getPayStatusText($status): string
    {
        $texts = [
            0 => '待支付',
            1 => '已支付',
            2 => '支付失败'
        ];
        return $texts[$status] ?? '未知';
    }

    /**
     * 获取订单状态文本
     */
    private function getOrderStatusText($status): string
    {
        $texts = [
            0 => '待处理',
            1 => '已确认',
            2 => '已发货',
            3 => '已完成',
            4 => '已取消'
        ];
        return $texts[$status] ?? '未知';
    }
}